100% cotton upper ; washed camo canvas; exposed gore; moc-toe detailing 100% cotton canvas lining; molded EVA footbed; EVA midsole; antimicrobial additive 47% recycled EVA foam, 6% straw & 47% virgin rubber outsole; Happy U tread 100% Globally Recycled Standard (GRS) Certified Recycled Polyester (RPET) Sanuk Flag Woven Label; packable Sustainability Initiative(s): Recycled materials, Vegan